<template>
  <div id="app" class="container">
    <!-- 头部分 -->
    <mt-header fixed title="myshop">
        <span slot="left" @click="goBack" v-show="flag">
        <mt-button icon="back">返回</mt-button>
  </span>
    </mt-header>
    <!-- 中间路由 -->
    <transition>
      <router-view></router-view>
    </transition>
    <!-- 底部部分 -->
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-llb " to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-llb" to="/member">
        <span class="mui-icon mui-icon-contact">
        </span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-llb" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
          <span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span>
        </span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-llb" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜素</span>
      </router-link>
    </nav>
  </div>
</template>
<script>
export default {
  dat () {
    return {
      flag: false
    }
  },
  created () {
    // eslint-disable-next-line no-unneeded-ternary
    this.flag = this.$route.path === '/home' ? false : true
  },
  methods: {
    // 点击后退
    goBack () {
      this.$router.go(-1)
    }
  },
  watch: {
    '$route.path': function (newVal) {
      if (newVal === '/home') {
        this.flag = false
      } else {
        this.flag = true
      }
    }
  }
}
</script>
<style lang='css' scoped>
.container {
  padding: 40px 0px 0px 0px;
  overflow-x: hidden;
}
.v-enter{
  opacity: 0;
  transform: translateX(100%);
}
.v-leave-to{
  opacity: 0;
  transform: translateX(-100%);
  position: absolute;
}
.v-enter-active,
.v-leave-active{
  transition: all 0.6s ease;
}
.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mint-header{
  z-index: 999 !important;
}
</style>
